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Hammond, John Henry

(Encyclopedia)Hammond, John Henry, 1910–87, American record producer; blues, jazz, and rock promoter; and music critic, b. New York City. A member of the wealthy Vanderbilt family, he entered the music business i...

Berry, Chuck

(Encyclopedia)Berry, Chuck (Charles Edward Anderson Berry), 1926–2017, American rock music guitarist, singer, and songwriter, b. San Jose, Calif. Berry is widely regarded as one of the leading pioneers of rock mu...

Mattarella, Sergio

(Encyclopedia)Mattarella, Sergio, 1941–, Italian political leader. Born into a prominent Sicilian family, he studied law at the Sapienza Univ. of Rome and taught constitutional law at the Univ. of Palermo. He was...

Lacalle Pou, Luis Alberto Alejandro Aparicio

(Encyclopedia)Lacalle Pou, Luis Alberto Alejandro Aparicio, 1973–, Uruguayan politican, president of Uruguay (2020–). A lawyer and a member of the conservative National (Blanco) party, he served in the chamber ...

Taverner, John

(Encyclopedia)Taverner, John, c.1495–1545, English organist and composer. He was choirmaster at Oxford from 1526 to 1530. His small body of work—eight masses, 28 motets, and three secular songs—may be conside...

Noseda, Gianandrea

(Encyclopedia)Noseda, Gianandrea, 1964–, Italian conductor, b. Milan. He has been principal conductor of the BBC Philharmonic (2002–11), music director of the Teatro Regio di Torino, Italy (2007–), and music ...

pizzicato

(Encyclopedia)pizzicato pĭtˌsəkäˈtō [key], in music, the technique of plucking the strings of an instrument that is usually bowed. Directions for playing pizzicato are found in early 17th-century music. Pagan...

Ledru-Rollin, Alexandre Auguste

(Encyclopedia)Ledru-Rollin, Alexandre Auguste älĕksäNˈdrə ôgüstˈ lədrüˈ-rôlăNˈ [key], 1807–74, French politician. A lawyer, he first became known as a radical opponent to the accession (1830) of Lou...

centrifuge

(Encyclopedia)centrifuge sĕnˈtrəfyo͞oj [key], device using centrifugal force to separate two or more substances of different density, e.g., two liquids or a liquid and a solid. The centrifuge consists of a fixe...

Sullivan, Sir Arthur Seymour

(Encyclopedia)Sullivan, Sir Arthur Seymour, 1842–1900, English composer, famous for a series of brilliant comic operas written in collaboration with the librettist W. S. Gilbert. As a boy he sang in the choir of ...